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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009054544023 2,261 digits created 2026-08-07

Value

10517579326087757731749536044088872825838365411814655817814607918352562783887112427004204117526936228993526759088277032819303932911688162680029249311368024397691257617131399860828009197979876850822133417600054398438789619522356694240571931795737479707891835939180250541442688772337324828012415711250319363012173896792352928727365468276312478792630733729244335737178203374915219724250920851933490981012997129025039933166514773575921050840245817844905550391535955430584780870231344352555734523721197041055774982112010815505326058880382878814960172382331587698551431944185540533708854364826253918274414563178500564925056890724401042905149594333383628426366030658768572523461512750695941194341740519140160080656668256106989522031925875981549075814224184964061446397284347401678839527108075294308659353339377431550184997961160446287027191567274580264370059478752114932707402426960604233366444700908672541634175089474483872651741792052789548847325479033707916512745697603141983878296192106740607407571649290506716749802951881250684576142228209815504351922075190533322827553973773513773386377458722554297588768133962600041356664295251571904534581692197261606737161253252241968537705105246519189592897161312531531721482903849508941254880330689807348774567583539964899916160407193463421812635891141206408100598223156632665684693711818896260942743505480337087352541081027757859532644466544935636813025415219943306401638724546025714936759882998633029438092842244695372536615887329064399260493715341183026825728889043092643674407138854986143524899514988039298040465973298908372107068522610463815171944701196070879963437045708305895287360984191970258011376521709291573495266812112823399639636755502009412851245468557015311767400158110595144284587161518280116540788135585131057121085262484855867149254407369388785123432943626576531779262781757243559158263158193945126801257783290815690618525453019826975915568955586323104847015220045662730314541268396351075147554245782443937302261169322888844677914839066410423613733850434347580864249947150550215768309840398898650427445393282944661653059325366695274060994126892950489468522873888223906839167153369925903430700099856743457974556336780208590363218140372652675239379783891175211529885081170074715845359453928672612812024603591
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,519-digit prime (183 intermediate primes).

Certified number2,519-digit prime
Certificatedownload
Certificate chainshow step 17 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054544023 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009054544023},"decimal":true,"detail":2}}'